GB/T 30969-2014Test method for short-beam shear strength of polymer matrix composite materials (English PDF)
聚合物基复合材料短梁剪切强度试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 24, 2014
Implementation date
January 1, 2015
Scope
GB/T 30969-2014 is the English-translated version of 聚合物基复合材料短梁剪切强度试验方法.
GB/T 30969-2014 is the Chinese standard "Test method for short-beam shear strength of polymer matrix composite materials". Its scope clause reads: This standard specifies the test equipment Polymer Composites short beam shear strength test method, samples, test procedures, and test calculation report.
This standard applies to continuous fiber reinforced polymer matrix composites short beam shear strength was measured. Its clauses include terms and definitions; principle of the method; test equipment.
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Document preview — GB/T 30969-2014
National Standard of the People's Republic of China
- ICS
- 83.120
- Classification
- Q 23
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 principle of the method
- 5 Test Equipment
1 Scope
This standard specifies the test equipment Polymer Composites short beam shear strength test method, samples, test procedures, and test calculation report.
This standard applies to continuous fiber reinforced polymer matrix composites short beam shear strength was measured.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 1446 Test methods for fiber reinforced plastic properties General
GB/T 3961 fiber reinforced plastics
3 Terms and Definitions
Terms and definitions GB/T 3961 defined apply to this document.
4 principle of the method
Using a small cross is thicker than three-point bending method to obtain short beam shear strength of the sample.
5 Test Equipment
5.1 test machine and test equipment
Test machine and test equipment shall comply with GB/T 1446's.
5.2 and load bearing head
5.2.1 sample plate
Loading test fixture tip radius is 3mm, 2 standoffs radius of 1.5mm, and the length of the loading head bearing at least beyond the sample
Width of 4mm, a hardness of HRC40 ~ 45, shown in Figure 1.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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